Prevalence of SARS-CoV-2 Viremia in Presymptomatic Blood Donors in the Delta and Omicron Variant Eras

Author:

Saá Paula1,Fink Rebecca V2,Dawar Hina3,Di Germanio Clara34,Montalvo Leilani3,Wright David J2,Krysztof David E1,Kleinman Steven H5,Nester Theresa6,Kessler Debra A7,Townsend Rebecca L1,Spencer Bryan R1,Kamel Hany8,Vannoy Jackie8,Busch Michael P34,Stramer Susan L1,Stone Mars34ORCID,Norris Philip J349ORCID,

Affiliation:

1. Scientific Affairs, American Red Cross , Rockville, Maryland , USA

2. Westat , Rockville, Maryland , USA

3. Vitalant Research Institute , San Francisco, California , USA

4. Department of Laboratory Medicine, University of California San Francisco , San Francisco, California , USA

5. University of British Columbia , Victoria, British Columbia , Canada

6. Bloodworks Northwest , Seattle, Washington , USA

7. New York Blood Center Enterprises , New York, New York , USA

8. Vitalant , Scottsdale, Arizona , USA

9. Department of Medicine, University of California San Francisco , San Francisco, California , USA

Abstract

Abstract Presymptomatic plasma samples from 1596 donors reporting coronavirus disease 2019 infection or symptoms after blood donation were tested for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) RNA and anti-S and anti-N antibodies. Prior infection and vaccination both protected from developing SARS-CoV-2 RNAemia and from symptomatic infection. RNAemia rates did not differ in the Delta and Omicron variant eras.

Funder

National Heart, Lung, and Blood Institute

National Institute of Allergies and Infectious Diseases

NIH

Publisher

Oxford University Press (OUP)

Subject

Infectious Diseases,Oncology

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